ClickSend

Learn to use MMS, Post, Text-to-Voice, Fax and Email. 

Beyond SMS

How to send MMS Messages

Inbound MMS

MMS media requirements

MMS character limits

From sending to media requirements and character limits — everything you need to know about MMS.

How to send Text-to-Voice messages

Text-to-Voice character limits

Customising Text-to-Voice output

Interactive Text-to-Voice messaging (DTMF)

From customising voices to interactive calls and character limits — everything you need to know about Text-to-Voice.

Text-to-Voice

Getting started with fax numbers

How to send Fax

Receiving and managing faxes

Fax file formats and guidelines

From sending your first fax to receiving replies, porting numbers and more— everything you need to know about Fax. 

How to send transactional email

Email troubleshooting

Learn how to send emails and adjust your email settings for transactional email. 

Email

Introduction to Post

How to send Post

Post media requirements

Print network and delivery times

Frequently asked: Post

Postcard format and template

From uploading your first letter to formatting files, mail merge and more— everything you need to know about Post. 

Post

Website

Dashboard

API Docs

Find answers and get help from Intercom Support and Community Experts

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